440942913 has 16 divisors (see below), whose sum is σ = 681651840. Its totient is φ = 281180592.

The previous prime is 440942911. The next prime is 440942951. The reversal of 440942913 is 319249044.

It is not a de Polignac number, because 440942913 - 2¹ = 440942911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440942911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354406 + ... + 355647.

It is an arithmetic number, because the mean of its divisors is an integer number (42603240).

Almost surely, 2^440942913 is an apocalyptic number.

It is an amenable number.

440942913 is a deficient number, since it is larger than the sum of its proper divisors (240708927).

440942913 is a wasteful number, since it uses less digits than its factorization.

440942913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710085 (or 710079 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 440942913 is about 20998.6407417242. The cubic root of 440942913 is about 761.1334156194.

The spelling of 440942913 in words is "four hundred forty million, nine hundred forty-two thousand, nine hundred thirteen".